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BACKGROUND: In this article, we report the outcomes of patients with deep venous thrombosis in the lower limbs treated with the oral anticoagulant rivaroxaban or warfarin, focusing on the recanalization rate (measured with duplex ultrasound) and the incidence of postthrombotic syndrome. METHODS: This was a prospective, consecutive, randomized, blind cohort study of patients admitted with deep venous thrombosis to the Division of Vascular and Endovascular Surgery, Hospital do Servidor Público Estadual, São Paulo, Brazil, between March 2016 and July 2018...

No abstract text is available yet for this article.

Pulmonary embolism (PE) represents the third leading cause of cardiovascular mortality. The technological landscape for management of acute intermediate- and high-risk PE is rapidly evolving. Two interventional devices using pharmacomechanical means to recanalize the pulmonary arteries have recently been cleared by the US Food and Drug Administration for marketing, and several others are in various stages of development. The purpose of this document is to clarify the current state of endovascular interventional therapy for acute PE and to provide considerations for evidence development for new devices that will define which patients with PE would derive the greatest net benefit from their use in various clinical settings...

Venous thromboembolism (VTE) is the second leading cause of death in patients with cancer. These patients are at a high risk of VTE recurrence and bleeding during anticoagulant therapy. The International Initiative on Thrombosis and Cancer is an independent academic working group aimed at establishing a global consensus for the treatment and prophylaxis of VTE in patients with cancer. The International Initiative on Thrombosis and Cancer last updated its evidence-based clinical practice guidelines in 2016 with a free, web-based mobile phone application, which was subsequently endorsed by the International Society on Thrombosis and Haemostasis...

OBJECTIVE: The aim was to assess the anatomical distribution of acute deep venous thrombosis (DVT) with a focus on iliofemoral DVT, and, in particular, to characterise thrombus in the common femoral vein (CFV) and the deep femoral vein (DFV). METHODS: A one year prospective study including patients older than 18 years of age with an acute first time DVT according to ultrasound examination at one of three university hospitals in Copenhagen, Denmark. Thrombus location and extent were registered and divided into five segments: calf veins; popliteal vein; femoral and deep femoral vein; common femoral vein; and iliac veins and/or the inferior vena cava...

PURPOSE: To provide updated recommendations about prophylaxis and treatment of venous thromboembolism (VTE) in patients with cancer. METHODS: PubMed and the Cochrane Library were searched for randomized controlled trials (RCTs) and meta-analyses of RCTs published from August 1, 2014, through December 4, 2018. ASCO convened an Expert Panel to review the evidence and revise previous recommendations as needed. RESULTS: The systematic review included 35 publications on VTE prophylaxis and treatment and 18 publications on VTE risk assessment...

Phlegmasia cerulea dolens is an acute fulminating form of extensive venous thrombosis. Limb loss, post-thrombotic syndrome and life-threatening conditions can occur without appropriate management. Treatment methods vary; there presently is no consensus on the best form of treatment. Endovascular procedures have been a good option for treating deep vein thrombosis, yet they may be insufficient for patients suffering from phlegmasia cerulea dolens. Venous thrombectomy with the guidance of venography quickly relieves symptoms, hardly causes complications, yields optimal mid-term results, and can be a justifiable treatment for phlegmasia cerulea dolens...

Isolated distal deep vein thrombosis (IDDVT) represents up to half of all lower limb DVT. This study investigated treatment patterns and outcomes in 2,145 patients with IDDVT in comparison with those with proximal DVT (PDVT; n  = 3,846) and pulmonary embolism (PE; n  = 4,097) enrolled in the GARFIELD-VTE registry. IDDVT patients were more likely to have recently undergone surgery (14.6%) or experienced leg trauma (13.2%) than PDVT patients (11.0 and 8.7%, respectively) and PE patients (12.7 and 4.5%, respectively)...

BACKGROUND: The ATTRACT trial (Acute Venous Thrombosis: Thrombus Removal with Adjunctive Catheter-Directed Thrombolysis) previously reported that pharmacomechanical catheter-directed thrombolysis (PCDT) did not prevent postthrombotic syndrome (PTS) in patients with acute proximal deep vein thrombosis. In the current analysis, we examine the effect of PCDT in ATTRACT patients with iliofemoral deep vein thrombosis. METHODS: Within a large multicenter randomized trial, 391 patients with acute deep vein thrombosis involving the iliac or common femoral veins were randomized to PCDT with anticoagulation versus anticoagulation alone (No-PCDT) and were followed for 24 months to compare short-term and long-term outcomes...

OBJECTIVE/BACKGROUND: The aim was to review the relative efficacy and safety of anticoagulation for managing venous thromboembolism (VTE) in patients with cancer. METHODS: A systematic review and meta-analysis was carried out. On 17 May 2018 the MEDLINE and Scopus databases were searched for randomised controlled trials (RCTs). Eligible RCTs had to be performed in patients with cancer exclusively or to report results on a subset of patients with cancer. The main study outcomes (efficacy/recurrent VTE and safety/bleeding events) were expressed as risk ratios (RR) with a 95% confidence interval (CI)...

BACKGROUND: Modern diagnostic strategies for venous thromboembolism (VTE) incorporate pretest probability (PTP; prevalence) assessment. The ability of diagnostic tests to correctly identify or exclude VTE is influenced by VTE prevalence and test accuracy characteristics. OBJECTIVE: These evidence-based guidelines are intended to support patients, clinicians, and health care professionals in VTE diagnosis. Diagnostic strategies were evaluated for pulmonary embolism (PE), deep vein thrombosis (DVT) of the lower and upper extremity, and recurrent VTE...

BACKGROUND: The annual number of US hospital discharges at risk for venous thromboembolism and the impact of evolving American College of Chest Physicians (ACCP) consensus guidelines for prevention of venous thromboembolism are unknown. METHODS: Three risk-assessment algorithms based on 2004, 2008, and 2012 ACCP guidelines for prevention of venous thromboembolism were applied to the 2014 US National Inpatient Sample to derive estimates of the annual number of US inpatients at risk for venous thromboembolism...

BACKGROUND AND OBJECTIVES:  The Acute Venous Thrombosis: Thrombus Removal with Adjunctive Catheter-Directed Thrombolysis (ATTRACT) trial reported that pharmacomechanical catheter-directed thrombolysis (PCDT) did not reduce post-thrombotic syndrome (PTS), but reduced moderate-to-severe PTS and the severity of PTS symptoms. In this analysis, we examine the effect of PCDT in patients with femoral-popliteal deep vein thrombosis (DVT) (without involvement of more proximal veins). PATIENTS AND METHODS:  Within the ATTRACT trial, 300 patients had DVT involving the femoral vein without involvement of the common femoral or iliac veins and were randomized to receive PCDT with anticoagulation or anticoagulation alone (no PCDT)...

Thrombosis of unusual venous sites encompasses a large part of consultative hematology and is encountered routinely by practicing hematologists. Contrary to the more commonly encountered lower extremity venous thrombosis and common cardiovascular disorders, the various thromboses outlined in this review have unique presentations, pathophysiology, workup, and treatments that all hematologists should be aware of. This review attempts to outline the most up to date literature on cerebral, retinal, upper extremity, hepatic, portal, splenic, mesenteric, and renal vein thrombosis, focusing on the incidence, pathophysiology, provoking factors, and current recommended treatments for each type of unusual thrombosis to provide a useful and practical review for the hematologist...

OBJECTIVE: To evaluate efficacy and safety of oral anticoagulant regimens and aspirin for extended venous thromboembolism (VTE) treatment. METHODS: We searched MEDLINE, Embase, CENTRAL and conference proceedings for randomised controlled trials studying vitamin K antagonists (VKAs), direct oral anticoagulants (DOACs) or aspirin for secondary prevention of VTE beyond 3 months. ORs (95% credible intervals) between treatments were estimated using random-effects Bayesian network meta-analysis...

Venous thromboembolism (VTE) is a major public health issue; deep vein thrombosis (DVT) affects about 1/1000 patients. Each year, VTE kills more patients in Western Europe than breast cancer, prostate cancer, acquired immune deficiency syndrome (AIDS) and road traffic accidents combined and is responsible for the deaths of approximately 370,000 European citizens (Cohen et al. in Thromb Haemost 98:756-764, 2007; Bĕlohlávek et al. in Exp Clin Cardiol 18(2):129-138, 2013). The recently published ATTRACT trial (Acute Venous Thrombosis Thrombus Removal with Adjunctive Catheter-directed Thrombolysis) (Vedantham et al...

No abstract text is available yet for this article.

BACKGROUND: Vascular manifestations including pulmonary artery aneurysms and venous thrombosis are seen in up to 14% of patients with Behcet's disease. We report a patient who had recurrent deep vein thrombosis (DVT) as the presenting symptom of Behcet's Disease. METHODS: A 19-year-old male who presented with acute iliofemoral DVT, confirmed by intravascular ultrasound (IVUS) and venogram. May-Thurner syndrome was also observed. Repeated catheter-based pharmacomechanical thrombolysis, thrombectomy, and subsequent iliac vein stenting were performed...

BACKGROUND: Combination treatment with percutaneous endovenous intervention (PEVI) and anticoagulation has been proposed for treating lower-extremity proximal deep vein thrombosis (DVT). We performed a systematic review and meta-analysis of randomized controlled trials (RCTs) to assess the effect of PEVI plus anticoagulation versus anticoagulation alone in patients with lower-extremity proximal DVT. METHODS: We systematically searched PubMed, Embase, and the Cochrane Library from inception to May 2016...

Deep vein thrombosis (DVT) is a major preventable cause of morbidity and mortality worldwide. Venous thromboembolism (VTE), which includes DVT and pulmonary embolism (PE), affects an estimated 1 per 1,000 people and contributes to 60,000-100,000 deaths annually. Normal blood physiology hinges on a delicate balance between pro- and anti-coagulant factors. Virchow's Triad distills the multitude of risk factors for DVT into three basic elements favoring thrombus formation: venous stasis, vascular injury, and hypercoagulability...